Remove Amulet of Quoz from your deck before playing if you're not playing for ante., Sacrifice Amulet of Quoz: Target opponent may add the top card of his or her library to the ante. If he or she doesn't, you flip a coin. If you win the flip, that player loses the game. If you lose the flip, you lose the game. Activate this ability only during your upkeep.

, : Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay , where X is that creature's converted mana cost. If he or she doesn't, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn't attack. Activate this ability only before attackers are declared.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.): Target creature gains flying until end of turn.